6840400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{349}}^1$

素因数の和:381

約数の個数: 90

約数和(自身を含む): 19171950

約数和(自身を除く): 12331550

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 349, 350, 392, 400, 490, 560, 698, 700, 784, 980, 1225, 1396, 1400, 1745, 1960, 2443, 2450, 2792, 2800, 3490, 3920, 4886, 4900, 5584, 6980, 8725, 9772, 9800, 12215, 13960, 17101, 17450, 19544, 19600, 24430, 27920, 34202, 34900, 39088, 48860, 61075, 68404, 69800, 85505, 97720, 122150, 136808, 139600, 171010, 195440, 244300, 273616, 342020, 427525, 488600, 684040, 855050, 977200, 1368080, 1710100, 3420200, 6840400]

約数ペア:

[(1, 6840400), (2, 3420200), (4, 1710100), (5, 1368080), (7, 977200), (8, 855050), (10, 684040), (14, 488600), (16, 427525), (20, 342020), (25, 273616), (28, 244300), (35, 195440), (40, 171010), (49, 139600), (50, 136808), (56, 122150), (70, 97720), (80, 85505), (98, 69800), (100, 68404), (112, 61075), (140, 48860), (175, 39088), (196, 34900), (200, 34202), (245, 27920), (280, 24430), (349, 19600), (350, 19544), (392, 17450), (400, 17101), (490, 13960), (560, 12215), (698, 9800), (700, 9772), (784, 8725), (980, 6980), (1225, 5584), (1396, 4900), (1400, 4886), (1745, 3920), (1960, 3490), (2443, 2800), (2450, 2792)]